#A63036#A63036

#A63036 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.154 H 22.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A63036
RGB	rgb(166, 48, 54)
HSL	hsl(357, 55%, 42%)
HSV	hsv(357, 71%, 65%)
CMYK	cmyk(0%, 71.1%, 67.5%, 34.9%)
CIE-LAB	lab(38.71, 48.37, 24.69)
CIE-LCH	lch(38.71, 54.31, 27.04°)
OKLab	oklab(49.03% 0.1423 0.0581)
OKLCH	oklch(49.03% 0.154 22.2)
XYZ	xyz(17.4505, 10.4898, 4.5952)
Luminance	0.1049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63036 #30A6A0

analogous

#A63071 #A63036 #A66530

triadic

#A63036 #36A630 #3036A6

tetradic

#A63036 #71A630 #30A6A0 #6530A6

square

#A63036 #71A630 #30A6A0 #6530A6

split-complementary

#A63036 #30A665 #3071A6

monochromatic

#471517 #772227 #A63036 #CA494F #D8787D

Accessibility & contrast

On white

6.78

#A63036 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A63036 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63036

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63036	#FFFFFF	#000000	##FFFFFF
##A63036	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B35

Deuteranopia (green-blind)

#6E6433

Tritanopia (blue-blind)

#B60A33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63036;
/* rgb */ color: rgb(166, 48, 54);
/* oklch */ color: oklch(49.0% 0.154 22.2);

Tailwind

colors: {
  custom: {
    50: '#c8706d',
    500: '#a63036',
    950: '#000000',
  },
}

SCSS

$custom: #a63036;
$custom-light: #c8706d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63036",
  "rgb": {
    "r": 166,
    "g": 48,
    "b": 54
  },
  "hsl": {
    "h": 356.949,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49033,
    "c": 0.15373,
    "h": 22.2
  },
  "luminance": 0.10487
}

Semantic roles & 50–950 ramp

primary

#A63036

secondary

#71C0BC

accent

#DED749

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63036

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →